- S-2
- S-T Cort
- S-T Forte 2
- S.A.S. Enteric-500
- S.A.S.-500
- SAStid Soap
- SD Deprenyl
- SMA 13
- SMA 20
- SMA 24
- SMA 27
- SMA Lo-Iron 13
- SMA Lo-Iron 20
- SMA Lo-Iron 24
- SMX-TMP Injection
- SPS
- SSD
- SSD AF
- SSD Cream
- Sabril
- Sacrosidase
- Safe Tussin 30
- Saizen
- Sal-Acid Plaster
- Sal-Clens Plus Shampoo
- Sal-Clens Shampoo
- Sal-Plant Gel Topical Solution
- Salac
- Salacid
- Salactic Film Topical Solution
- Salagen
- Salazopyrin
- Salazopyrin EN-Tabs
- Salbutamol
| - Saleto
- Salex
- Salflex
- Salicylates
- Salicylic Acid
- Salicylic Acid and Sulfur
- Salicylic Acid, Sulfur, and Coal Tar
- Saligel
- Salmeterol Oral Inhalation
- Salofalk
- Salonil
- Salsalate
- Salsitab
- Saluron
- Samarium Sm 153 Lexidronam
- Sanctura
- Sandimmune
- SandoSource Peptide
- Sandoglobulin
- Sandostatin
- Sandostatin LAR Depot
- SangCya
- Sani-Supp
- Sanorex
- Sans-Acne
- Sansert
- Saquinavir
- Sarafem
- Sargramostim Injection
- Sarisol No. 2
- Sarna HC 1.0%
- Scheinpharm Testone-Cyp
- Scheinpharm Triamcine-A
| - Sclerosol
- Scopolamine Patch
- Scot-Tussin DM
- Scot-Tussin Original 5-Action Cold Formula
- Scot-Tussin Senior Clear
- Scot-tussin Expectorant
- Seba-Nil Liquid Cleanser
- Sebex
- Sebex-T Tar Shampoo
- Sebucare
- Sebulex
- Sebulex (Regular)
- Sebulex (with Conditioners)
- Sebulon
- Sebutone
- Secobarbital
- Seconal
- Sectral
- Sedapap
- Sedapap containing Acetaminophen and Butalbital
- Sele-Pak
- Select 1/35
- Selegiline
- Selegiline-5
- Selenium Sulfide
- Selenium Supplements
- Selepen
- Selestoject
- Selexid
- Selsun
- Selsun Blue
- Selsun Blue Dry Formula
- Selsun Blue Extra Conditioning Formula
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